Particle collection characteristics of a single-stage dichotomous sampler

McFarland, Andrew R.; Ortiz, Carlos A.; Bertch, Russell W.

doi:10.1021/es60142a006

Cited by 54 publications

(31 citation statements)

References 2 publications

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“…Reprinted with permission from the American Chemical Society. (Loo & Jaklevic, 1974, 1979Loo et al, 1976;Loo & Cork, 1988;McFarland et al, 1978;US Patent No. 4,301,002, 1981).…”

Section: Origin Of the Virtual Impactormentioning

confidence: 99%

Aerosol Science and Technology: History and Reviews

Ensor¹

2011

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Aerosol Science and Technology: History and Reviews captures an exciting slice of history in the evolution of aerosol science. It presents in-depth biographies of four leading international aerosol researchers and highlights pivotal research institutions in New York, Minnesota, and Austria. One collection of chapters reflects on the legacy of the Pasadena smog experiment, while another presents a fascinating overview of military applications and nuclear aerosols. Finally, prominent researchers offer detailed reviews of aerosol measurement, processes, experiments, and technology that changed the face of aerosol science. This volume is the third in a series and is supported by the American Association for Aerosol Research (AAAR) History Working Group, whose goal is to produce archival books from its symposiums on the history of aerosol science to ensure a lasting record. It is based on papers presented at the Third Aerosol History Symposium on September 8 and 9, 2006, in St. Paul, Minnesota, USA.

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“…Reprinted with permission from the American Chemical Society. (Loo & Jaklevic, 1974, 1979Loo et al, 1976;Loo & Cork, 1988;McFarland et al, 1978;US Patent No. 4,301,002, 1981).…”

Section: Origin Of the Virtual Impactormentioning

confidence: 99%

Aerosol Science and Technology: History and Reviews

Ensor¹

2011

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“…Virtual impactors have been studied theoretically and experimentally to optimize their performance characteristics, i.e., improve particle collection efficiency and reduce particle losses (Marple and Chien, 1980;Jaenicki and Blifford, 1974;McFarland et al, 1978;Loo, 1981;Chen et al, 1985Chen et al, , 1986Chen and Yeh, 1987;Loo and Cork, 1988;Xu, 1991). This research has shown that the square root of the Stokes number at the 50% cutpoint (6) is strongly dependent upon the minor flow ratio.…”

Section: Virtual Impactor Designmentioning

confidence: 99%

Diesel Exhaust/Mine Dust Virtual Impactor Personal Aerosol Sampler: Design, Calibration and Field Evaluation

Marple

Rubow

Olson

1995

Aerosol Science and Technology

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A virtual impactor personal aerosol sampler (VIPAS)cyclone pass through a 0.8-pm cutpoint virtual imhas been developed for use in diesel-equipped mines to pactor with the particles larger than and smaller than collect size-separated samples of diesel exhaust and 0.8 p m (mine dust and diesel exhaust particles, respecmine dust particles in the respirable size range. This tively) collected on two 37-mm filter cassettes. The sampler consists of three stages: a 10-mm cyclone, a sampling flow rate is 2 L/min so as to be compatible 0.8-pm cutpoint virtual impactor and two filter caswith the standard respirable dust sampler and persettes.

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“…280 A single stage virtual impactor was evaluated using varying design parameters and compared with a two-stage sampler. 281 Despite its simplified design, the single-state device had a collection efficiency similar to the two-stage sampler.…”

Section: Impingers and Impactorsmentioning

confidence: 99%